C++简单易懂

解题思路:

注意事项:

参考代码:

#include <iostream>

#include <cmath>

using namespace std;

int main() {

int n, s;

double x, y;

double t = 0;

cin >> n;

for (int i = 0; i < n; i++) {

cin >> x >> y >> s;

t = t + sqrt(x * x + y * y) / 25 + 1.5 * s;

}

cout << ceil(t);

return 0;

}